/**
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.regionserver;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.filter.FilterBase;
import org.apache.hadoop.hbase.mob.MobUtils;
/**
* A filter that returns the cells which have mob reference tags. It's a server-side filter.
*/
@InterfaceAudience.Private
class MobReferenceOnlyFilter extends FilterBase {
@Override
public ReturnCode filterKeyValue(Cell cell) {
if (null != cell) {
// If a cell with a mob reference tag, it's included.
if (MobUtils.isMobReferenceCell(cell)) {
return ReturnCode.INCLUDE;
}
}
return ReturnCode.SKIP;
}
}